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Originally Posted by Shed Cat
Rant accepted
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Well thankyou
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My point is a bit more subtle. I am interested in failsafe and "robust" systems. Another word is "redundant", ie if any one part of a system fails, there are unused systems that will take over.
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OK, that's a very interesting view. With regard to redundancy I remember reading somewhere that in Japan their points have two sets of motors, so that if one motor stalls or fails it is clutched out, leaving the other one to continue. Diagnostic data is sent to the technicians for immediate attention.